Anti-DDoS Firm Heaped Attacks on Brazilian ISPs

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm’s chief …

‘Scattered Spider’ Member ‘Tylerb’ Pleads Guilty

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

A 24-year-old British national and senior member of the cybercrime group “Scattered Spider” has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer …

Patch Tuesday, April 2026 Edition

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed “BlueHammer.” Separately, Google Chrome fixed its …

Russia Hacked Routers to Steal Microsoft Office Tokens

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

Hackers linked to Russia’s military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft Office users, security experts warned today. The spying campaign allowed state-backed Russian hackers to quietly siphon authentication tokens …

Germany Doxes “UNKN,” Head of RU Ransomware Gangs REvil, GandCrab

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

An elusive hacker who went by the handle “UNKN” and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Authorities in Germany say 31-year-old Russian Daniil Maksimovich Shchukin headed both cybercrime gangs and …

‘CanisterWorm’ Springs Wiper Attack Targeting Iran

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

March 23, 2026 0 Comments A financially motivated data theft and extortion group is attempting to inject itself into the Iran war, unleashing a worm that spreads through poorly secured cloud services and wipes data on infected systems that use …

Feds Disrupt IoT Botnets Behind Huge DDoS Attacks

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

The U.S. Justice Department joined authorities in Canada and Germany in dismantling the online infrastructure behind four highly disruptive botnets that compromised more than three million Internet of Things (IoT) devices, such as routers and web cameras. The feds say …

Iran-Backed Hackers Claim Wiper Attack on Medtech Firm Stryker

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

March 11, 2026 3 Comments A hacktivist group with links to Iran’s intelligence agencies is claiming responsibility for a data-wiping attack against Stryker, a global medical technology company based in Michigan. News reports out of Ireland, Stryker’s largest hub outside …

Microsoft Patch Tuesday, March 2026 Edition

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

Microsoft Corp. today pushed security updates to fix at least 77 vulnerabilities in its Windows operating systems and other software. There are no pressing “zero-day” flaws this month (compared to February’s five zero-day treat), but as usual some patches may …

How AI Assistants are Moving the Security Goalposts

Blog WriterCybersecurity News - Original News Source is krebsonsecurity.com

AI-based assistants or “agents” — autonomous programs that have access to the user’s computer, files, online services and can automate virtually any task — are growing in popularity with developers and IT workers. But as so many eyebrow-raising headlines over …